2. Boil the potatoes until tender. Then mash with butter, milk and seasoning
3. Pour the baked beans into the bottom of a 1.5 litre casserole dish. Place the corned beef in pieces on top and season with worcestershire sauce. Top with mashed potato.
4. Bake uncovered for 25 minutes in the preheated oven, the potatoes should start to crisp but not brown. Sprinkle on grated cheese and return to the oven. Bake for another 15-20 minutes or until the cheese has browned.